[Met_help] [rt.rap.ucar.edu #83578] History for question on reading ASCAT file from PODAAC
John Halley Gotway via RT
met_help at ucar.edu
Fri Jan 19 15:40:43 MST 2018
----------------------------------------------------------------
Initial Request
----------------------------------------------------------------
Hi,
I'm trying to plot an ASCAT file using either plot_data_plane or
plot_point_obs from the PODAAC. The web address of this file is:
https://podaac.jpl.nasa.gov/dataset/ASCATA-L2-Coastal
and, can actually be accessed through OPeNDAP using the web address:
https://podaac-opendap.jpl.nasa.gov:443/opendap/allData/ascat/preview/L2/metop_a/coastal_opt/2018/002
/ascat_20180102_012100_metopa_58140_eps_o_coa_2401_ovw.l2.nc.gz
or, downloaded using ftp, at the same address. I used wget -nv -nc
https://podaac-opendap.jpl.nasa.gov:443/opendap/allData/ascat/preview/L2/metop_a/coastal_opt/2018/002
/ascat_20180102_012100_metopa_58140_eps_o_coa_2401_ovw.l2.nc.gz
to download the file.
Anyway, when I used both of those plotting tools, I used the command line
below, and got the error message:
>/opt/MET6/met6.0/bin/plot_data_plane
ascat_20180101_000000_metopa_58125_eps_o_coa_2401_ovw.l2.nc test_ascat.ps
'name="wind_speed";' -v 3
DEBUG 1: Opening data file:
ascat_20180101_000000_metopa_58125_eps_o_coa_2401_ovw.l2.nc
terminate called after throwing an instance of
'netCDF::exceptions::NcInvalidCoords'
what(): NetCDF: Index exceeds dimension bound
file: ncVar.cpp line:1622
Abort (core dumped)
I know the file is ok, since I can do an ncdump, and get the variables and
file info. But, I can't seem to make MET work with this file. This is
Level 2 swath data.
Do I need to do something different to use this with MET?
Roz
--
Rosalyn MacCracken
Support Scientist
Ocean Applilcations Branch
NOAA/NWS Ocean Prediction Center
NCWCP
5830 University Research Ct
College Park, MD 20740-3818
(p) 301-683-1551
rosalyn.maccracken at noaa.gov
----------------------------------------------------------------
Complete Ticket History
----------------------------------------------------------------
Subject: question on reading ASCAT file from PODAAC
From: John Halley Gotway
Time: Tue Jan 16 14:00:28 2018
Hi Roz,
Unfortunately, MET doesn't have the ability to ingest this data format
directly. I did create a development task for MET that describes this
need, but don't know where it fits into our development priorities. I
talked to Tara Jensen about is this morning, and she may follow up as
well.
I imagine that you'd want to treat this swath data as a set of point
observations rather than as a gridded data set. A short term solution
would be to write a script to reformat data from these files to make
them
look like the output of the other pre-processing tools... like pb2nc,
ascii2nc, and so on.
John
On Sat, Jan 13, 2018 at 8:37 AM, Rosalyn MacCracken - NOAA Affiliate
via RT
<met_help at ucar.edu> wrote:
>
> Sat Jan 13 08:37:29 2018: Request 83578 was acted upon.
> Transaction: Ticket created by rosalyn.maccracken at noaa.gov
> Queue: met_help
> Subject: question on reading ASCAT file from PODAAC
> Owner: Nobody
> Requestors: rosalyn.maccracken at noaa.gov
> Status: new
> Ticket <URL:
https://rt.rap.ucar.edu/rt/Ticket/Display.html?id=83578 >
>
>
> Hi,
>
> I'm trying to plot an ASCAT file using either plot_data_plane or
> plot_point_obs from the PODAAC. The web address of this file is:
> https://podaac.jpl.nasa.gov/dataset/ASCATA-L2-Coastal
> and, can actually be accessed through OPeNDAP using the web address:
> https://podaac-opendap.jpl.nasa.gov:443/opendap/allData/
> ascat/preview/L2/metop_a/coastal_opt/2018/002
> /ascat_20180102_012100_metopa_58140_eps_o_coa_2401_ovw.l2.nc.gz
>
> or, downloaded using ftp, at the same address. I used wget -nv -nc
> https://podaac-opendap.jpl.nasa.gov:443/opendap/allData/
> ascat/preview/L2/metop_a/coastal_opt/2018/002
> /ascat_20180102_012100_metopa_58140_eps_o_coa_2401_ovw.l2.nc.gz
> to download the file.
>
> Anyway, when I used both of those plotting tools, I used the command
line
> below, and got the error message:
>
> >/opt/MET6/met6.0/bin/plot_data_plane
> ascat_20180101_000000_metopa_58125_eps_o_coa_2401_ovw.l2.nc
test_ascat.ps
> 'name="wind_speed";' -v 3
>
> DEBUG 1: Opening data file:
> ascat_20180101_000000_metopa_58125_eps_o_coa_2401_ovw.l2.nc
> terminate called after throwing an instance of
> 'netCDF::exceptions::NcInvalidCoords'
> what(): NetCDF: Index exceeds dimension bound
> file: ncVar.cpp line:1622
> Abort (core dumped)
>
> I know the file is ok, since I can do an ncdump, and get the
variables and
> file info. But, I can't seem to make MET work with this file. This
is
> Level 2 swath data.
>
> Do I need to do something different to use this with MET?
>
> Roz
>
>
> --
> Rosalyn MacCracken
> Support Scientist
>
> Ocean Applilcations Branch
> NOAA/NWS Ocean Prediction Center
> NCWCP
> 5830 University Research Ct
> College Park, MD 20740-3818
>
> (p) 301-683-1551
> rosalyn.maccracken at noaa.gov
>
>
------------------------------------------------
Subject: question on reading ASCAT file from PODAAC
From: Rosalyn MacCracken - NOAA Affiliate
Time: Tue Jan 16 14:11:27 2018
Hi John,
I think we may abandon this route, since it may be more work than
necessary. We have some other options that we're going to try using
data
on our server. So, I'm thinking that I'll share this with my co-
workers,
and you can probably just close the ticket.
Thanks for the info anyway.
Roz
On Tue, Jan 16, 2018 at 4:00 PM, John Halley Gotway via RT <
met_help at ucar.edu> wrote:
> Hi Roz,
>
> Unfortunately, MET doesn't have the ability to ingest this data
format
> directly. I did create a development task for MET that describes
this
> need, but don't know where it fits into our development priorities.
I
> talked to Tara Jensen about is this morning, and she may follow up
as well.
>
> I imagine that you'd want to treat this swath data as a set of point
> observations rather than as a gridded data set. A short term
solution
> would be to write a script to reformat data from these files to make
them
> look like the output of the other pre-processing tools... like
pb2nc,
> ascii2nc, and so on.
>
> John
>
> On Sat, Jan 13, 2018 at 8:37 AM, Rosalyn MacCracken - NOAA Affiliate
via RT
> <met_help at ucar.edu> wrote:
>
> >
> > Sat Jan 13 08:37:29 2018: Request 83578 was acted upon.
> > Transaction: Ticket created by rosalyn.maccracken at noaa.gov
> > Queue: met_help
> > Subject: question on reading ASCAT file from PODAAC
> > Owner: Nobody
> > Requestors: rosalyn.maccracken at noaa.gov
> > Status: new
> > Ticket <URL:
https://rt.rap.ucar.edu/rt/Ticket/Display.html?id=83578 >
> >
> >
> > Hi,
> >
> > I'm trying to plot an ASCAT file using either plot_data_plane or
> > plot_point_obs from the PODAAC. The web address of this file is:
> > https://podaac.jpl.nasa.gov/dataset/ASCATA-L2-Coastal
> > and, can actually be accessed through OPeNDAP using the web
address:
> > https://podaac-opendap.jpl.nasa.gov:443/opendap/allData/
> > ascat/preview/L2/metop_a/coastal_opt/2018/002
> > /ascat_20180102_012100_metopa_58140_eps_o_coa_2401_ovw.l2.nc.gz
> >
> > or, downloaded using ftp, at the same address. I used wget -nv
-nc
> > https://podaac-opendap.jpl.nasa.gov:443/opendap/allData/
> > ascat/preview/L2/metop_a/coastal_opt/2018/002
> > /ascat_20180102_012100_metopa_58140_eps_o_coa_2401_ovw.l2.nc.gz
> > to download the file.
> >
> > Anyway, when I used both of those plotting tools, I used the
command line
> > below, and got the error message:
> >
> > >/opt/MET6/met6.0/bin/plot_data_plane
> > ascat_20180101_000000_metopa_58125_eps_o_coa_2401_ovw.l2.nc
> test_ascat.ps
> > 'name="wind_speed";' -v 3
> >
> > DEBUG 1: Opening data file:
> > ascat_20180101_000000_metopa_58125_eps_o_coa_2401_ovw.l2.nc
> > terminate called after throwing an instance of
> > 'netCDF::exceptions::NcInvalidCoords'
> > what(): NetCDF: Index exceeds dimension bound
> > file: ncVar.cpp line:1622
> > Abort (core dumped)
> >
> > I know the file is ok, since I can do an ncdump, and get the
variables
> and
> > file info. But, I can't seem to make MET work with this file.
This is
> > Level 2 swath data.
> >
> > Do I need to do something different to use this with MET?
> >
> > Roz
> >
> >
> > --
> > Rosalyn MacCracken
> > Support Scientist
> >
> > Ocean Applilcations Branch
> > NOAA/NWS Ocean Prediction Center
> > NCWCP
> > 5830 University Research Ct
> > College Park, MD 20740-3818
> >
> > (p) 301-683-1551
> > rosalyn.maccracken at noaa.gov
> >
> >
>
>
--
Rosalyn MacCracken
Support Scientist
Ocean Applilcations Branch
NOAA/NWS Ocean Prediction Center
NCWCP
5830 University Research Ct
College Park, MD 20740-3818
(p) 301-683-1551
rosalyn.maccracken at noaa.gov
------------------------------------------------
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